Region
Africa
25
Africa, East
1
Africa, North
2
Africa, Sub-Saharan
2
Africa, West
8
Alaska
7
Alaska, Northwest
1
Alkali Lake Region (Cariboo)
1
Amazon River Watershed
1
America
3
Andes
1
Anuta Island
1
Anuta Island (Solomon Islands)
1
Appalachian Region
4
Arabian Peninsula
1
Arctic regions
1
Argentina
1
Arizona
4
Arunāchal Pradesh
2
Arunāchal Pradesh (India)
2
Athens
1
Athens (Greece)
1
Atlantic Coast
1
Atlantic Coast (Guinea-Bissau)
1
Australia
3
Bahamas
2
Bambang (Sulawesi Selatan)
2
Bambang (Sulawesi Selatan, Indonesia)
2
Bolivia
1
Bosnia and Hercegovina
1
Bosnia and Herzegovina
1
Brazil
3
British Columbia
2
California
3
Cameroon
2
Canada
5
Canada, Northern
1
Caribbean Area
5
Central Australia
1
Chechaouene (Tétouan)
1
Chiapas
2
Chile
1
Chimayo
1
Chimayo (N.M.)
1
China
5
Colombia
1
Colorado Plateau
2
Columbia Plateau
1
Confederated Tribes of the Umatilla Indian Reservation
1
Congo (Democratic Republic)
1
more ...